1/*
2 * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
3 * Written by Andrew Baumann
4 *
5 * This code is licensed under the GNU GPLv2 and later.
6 */
7
8#ifndef BCM2835_AUX_H
9#define BCM2835_AUX_H
10
11#include "hw/sysbus.h"
12#include "chardev/char-fe.h"
13
14#define TYPE_BCM2835_AUX "bcm2835-aux"
15#define BCM2835_AUX(obj) OBJECT_CHECK(BCM2835AuxState, (obj), TYPE_BCM2835_AUX)
16
17#define BCM2835_AUX_RX_FIFO_LEN 8
18
19typedef struct {
20 /*< private >*/
21 SysBusDevice parent_obj;
22 /*< public >*/
23
24 MemoryRegion iomem;
25 CharBackend chr;
26 qemu_irq irq;
27
28 uint8_t read_fifo[BCM2835_AUX_RX_FIFO_LEN];
29 uint8_t read_pos, read_count;
30 uint8_t ier, iir;
31} BCM2835AuxState;
32
33#endif
34